Home / 2,198,189.07-3,034,981.31-1,372,519.80

Finding the Fourth Proportional to 2,198,189.07, 3,034,981.31 and 1,372,519.80

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Solution

The fourth proportional to 2,198,189.07, 3,034,981.31 and 1,372,519.80 is: 1,895,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,189.07 : 3,034,981.31 = 1,372,519.80 : x
  2. Step 2: Convert to fraction form
    2,198,189.07/3,034,981.31 = 1,372,519.80/x
  3. Step 3: Cross multiply
    2,198,189.07x = 3,034,981.31 × 1,372,519.80
  4. Step 4: Simplify right side
    2,198,189.07x = 4,165,571,933,742.34
  5. Step 5: Solve for x
    x = 4,165,571,933,742.34/2,198,189.07
  6. Step 6: Final answer
    x = 1,895,001.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.